Re: Copper sulphate as electrolyte

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Barton B. Anderson by way of Terry Fritz <twftesla-at-qwest-dot-net>" <tesla123-at-pacbell-dot-net>

J.B.,
This is interesting. I'll be looking forward to what your conclusions are.
I assume you have a duplicate of
Brine caps to compare to?

Take care,
Bart

Tesla list wrote:

> Original poster: "J. B. Weazle McCreath by way of Terry Fritz
<twftesla-at-qwest-dot-net>" <weazle-at-hurontel.on.ca>
>
> Hello Coilers,
>
> I've finally completed my bucket cap using copper sulphate as the
> electrolyte rather than the more customary brine solution.  I've
> taken precautions to insure accuracy in my comparisons.
>
> I disolved 500 grams of the copper sulphate crystals into 8 litres
> of distilled water, then after thoroughly mixing, I filled a dozen
> of the regular sized Corona beer bottles and the bucket itself to
> an even level.
>
> The electrodes in both the bottles and the bucket where cut from a
> length of 1/2 inch copper water pipe.  Leads from the pipes to the
> terminals are no. 6 copper wire.  I did not use any oil floating
> on the surface of the copper sulphate.
>
> My Fluke meter measured a capacity of 0.011 uF. which is very close
> to the calculated value based on .0009 uF. per bottle.  I've tried
> it in direct replacement of a similar valued brine cap, and can see
> no appreciable difference in performance of the test coil.
>
> My main reason for this trial cap is to see if the lack of corrosion
> on the copper electrodes over time, as is experienced with brine, is
> a signifigant concideration...time will tell, but I suspect that I'll
> not see near as much corrosion using copper sulphate as I did with
> the brine electrolyte.
>
> 73, Weazle, VE3EAR/VE3WZL
>
> Listening: 147.030+ and 442.075+
> E-mail:    weazle-at-hurontel.on.ca
>            or ve3ear-at-rac.ca
> Web site:  www.hurontel.on.ca/~weazle